To sign a given certain steps have to be performed.

He turned and began to make his way toward the steps, plainly certain that the boys would follow.

The government has to take certain steps in some cases to establish its jurisdiction.

The black thing advanced a step, slow and certain, dead eyes staring.

But it may not be possible for him to reach that stage of satisfaction until certain steps are taken.

Then, to fly home and walk into this- Well, there were certain obvious first steps to take.

To achieve correct use of a product certain steps must be taken.

Shade took the next step carefully, not certain of her, or himself.

In a classical ballet, you have to follow certain steps.

Three certain steps back are better than one risky step forward.